diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..331c58f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.idea
+vendor
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 2184cf0..9d21b2e 100644
--- a/composer.json
+++ b/composer.json
@@ -1,9 +1,14 @@
 {
-	"name": "vernes/yiimailer",
-	"description": "Yii extension for sending emails with layouts using PHPMailer",
-	"type": "yii-extension",
-	"require": {
-		"php": ">=5.5.0",
-		"phpmailer/phpmailer": "^6.0"
-	}
+    "name": "vernes/yiimailer",
+    "description": "Yii extension for sending emails with layouts using PHPMailer",
+    "type": "yii-extension",
+    "require": {
+        "php": ">=5.5.0",
+        "phpmailer/phpmailer": "^6.0"
+    },
+    "autoload": {
+        "classmap": [
+            "src"
+        ]
+    }
 }
diff --git a/YiiMailer.php b/src/YiiMailer.php
similarity index 100%
rename from YiiMailer.php
rename to src/YiiMailer.php